ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,387, issued on Feb. 25, was assigned to NITTO DENKO Corp. (Osaka, Japan).
"Sealant sheet" was invented by Kosuke Morita (Ibaraki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a sealant sheet formed in a sheet shape. The sealant sheet comprises an epoxy group-containing polysulfide polymer (AB) having two or more epoxy groups per molecule, and a thiol compound (C) having two or more thiol groups per molecule. In the sealant sheet, sulfur atoms in organic components of the sealant sheet has a weight fraction of 32.0% or higher and 36.0% or lower."
The patent was filed on June 26, 2019, under Application No. 17/254,951.
*For furth...